174438100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 391849920

約数和(自身を除く): 217411820

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 113, 172, 215, 226, 359, 430, 452, 565, 718, 860, 1075, 1130, 1436, 1795, 2150, 2260, 2825, 3590, 4300, 4859, 5650, 7180, 8975, 9718, 11300, 15437, 17950, 19436, 24295, 30874, 35900, 40567, 48590, 61748, 77185, 81134, 97180, 121475, 154370, 162268, 202835, 242950, 308740, 385925, 405670, 485900, 771850, 811340, 1014175, 1543700, 1744381, 2028350, 3488762, 4056700, 6977524, 8721905, 17443810, 34887620, 43609525, 87219050, 174438100]

約数ペア:

[(1, 174438100), (2, 87219050), (4, 43609525), (5, 34887620), (10, 17443810), (20, 8721905), (25, 6977524), (43, 4056700), (50, 3488762), (86, 2028350), (100, 1744381), (113, 1543700), (172, 1014175), (215, 811340), (226, 771850), (359, 485900), (430, 405670), (452, 385925), (565, 308740), (718, 242950), (860, 202835), (1075, 162268), (1130, 154370), (1436, 121475), (1795, 97180), (2150, 81134), (2260, 77185), (2825, 61748), (3590, 48590), (4300, 40567), (4859, 35900), (5650, 30874), (7180, 24295), (8975, 19436), (9718, 17950), (11300, 15437)]